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Finding the Fourth Proportional to 69,898.28, 96,458.96 and 38,067.71

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Solution

The fourth proportional to 69,898.28, 96,458.96 and 38,067.71 is: 52,533.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,898.28 : 96,458.96 = 38,067.71 : x
  2. Step 2: Convert to fraction form
    69,898.28/96,458.96 = 38,067.71/x
  3. Step 3: Cross multiply
    69,898.28x = 96,458.96 × 38,067.71
  4. Step 4: Simplify right side
    69,898.28x = 3,671,971,043.55
  5. Step 5: Solve for x
    x = 3,671,971,043.55/69,898.28
  6. Step 6: Final answer
    x = 52,533.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.